If you're trusting the cops on this one, it was PCP streaming through Brigham's veins while he frolicked around naked in the streets of Scottsdale before he stole a Toyota Prius and crashed into a bunch of cars, injuring several people in Scottsdale.

According to court documents obtained by New Times, Brigham's spree started on Friday afternoon when he blew through a red light and ran into two cars.

Brigham then began shedding his clothes and ran down Via de Ventura before he jumped on top of one of the cars he'd crashed into and started "chanting unknown statements," the documents say.

Police say Brigham then made it onto Hayden Road and carjacked a woman driving a Toyota Prius.

After making it onto Shea Boulevard and heading toward the Loop 101 entrance, Brigham hopped the median and crashed into three more cars, while the Prius flipped a few times.

Brigham kept going, as police say he tried to "forcibly enter" three other cars that were stopped on Shea before officers showed up and arrested him.

One of the people he hit on Shea was a woman who sustained two broken legs from the crash. She's also eight months' pregnant, according to the documents.

Three other people were hospitalized after their crashes with Brigham, and Brigham himself also was hospitalized.

According to the documents, the initial toxicology report showed a presence of PCP in Brigham's body.

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